Wheel valve stem



FIG. 1 is a front-top-right perspective view of a wheel valve stem showing my new design;

FIG. 2 is a rear-bottom-left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top perspective view showing the top opening cavity thereof; and,

FIG. 10 is a bottom perspective view showing the bottom opening cavity thereof.

The broken lines showing opening cavities in FIG. 8 through 10 are included for the purpose of showing environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a wheel valve stem, as shown and described. 